On board the Type 81 frigate Gurkha (1960) alongside the fitting out berth of John I Thornycroft & Co Ltd at Woolston, Southampton. The photographer is in the metadyne compartment between 73 and 78 stations on the port side of 3 deck looking aft from 73½ station showing a wooden bench with the A/S mortar metadyne below it, the fuse setting metadyne Mk 20A is on the deck and the metadyne Mk. 19 is further aft. Against the ship's side are a rectifier, AVR panel, fuse panel, starter panels and control panels. An amplifier assembly unit, the door to the compartment, junction boxes and fuse panels are on the left. An axial flow fan trunking is next to the aft bulkhead.